SURFACE TREATMENT AGENT FOR CARBON STEEL MATERIAL, AND CARBON STEEL MATERIAL WITH SURFACE TREATMENT COATING FILM AND PRODUCTION METHOD THEREOF

• Main Authors: YOROZU, Takayuki, UCHIDA, Junichi, AIHARA, Naoki, ITO, Yusuke
• Format: Patent
• Language: English; French; Japanese
• Published: 11.04.2024
• Subjects: ADHESIVES; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL; CHEMICAL PAINT OR INK REMOVERS; CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; CORRECTING FLUIDS; DIFFUSION TREATMENT OF METALLIC MATERIAL; DYES; FILLING PASTES; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; INKS; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; POLISHES; PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL; SPRAYING OR ATOMISING IN GENERAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; TRANSPORTING; USE OF MATERIALS THEREFOR; WOODSTAINS

The present invention addresses the problem of providing a surface treatment agent capable of forming a surface treatment coating film having excellent electric corrosion resistance. The problem is solved by a surface treatment agent for a carbon steel material, the surface treatment agent containing silicone resin (A), titanium compound (B), barium compound (C), aromatic hydrocarbon solvent (D) and amino group-containing alkoxysilane (E), wherein: (I) the ratio (BM/AM) of the mass of compound (B) (BM) to the mass of silicone resin (A) (AM) is within the range of 0.05 to 3.12 inclusive; (II) the ratio (CM/AM) of the mass of compound (C) (CM) to the mass of silicone resin (A) (AM) is within the range of 0.02 to 0.55 inclusive; and (III) the ratio (EM/AM) of the mass of compound (E) (EM) to the mass of silicone resin (A) (AM) is within the range of 0.01 to 0.43 inclusive. La présente invention aborde le problème de la fourniture d'un agent de traitement de surface capable de former un film de revêtement de traitement de surface ayant une excellente résistance à la corrosion électrique. Le problème est résolu par un agent de traitement de surface pour un matériau en acier au carbone, l'agent de traitement de surface contenant une résine de silicone (A), un composé de titane (B), un composé de baryum (C), un solvant hydrocarboné aromatique (D) et un alcoxysilane contenant un groupe amino (E), où : (I) le rapport (BM/AM) de la masse du composé (B) (BM) à la masse de résine de silicone (A) (AM) se situe dans la plage allant de 0,05 à 3,12 inclus ; (II) le rapport (CM/AM) de la masse du composé (C) (CM) à la masse de résine de silicone (A) (AM) se situe dans la plage allant de 0,02 à 0,55 inclus ; et (III) le rapport (EM/AM) de la masse du composé (E) (EM) à la masse de résine de silicone (A) (AM) se situe dans la plage allant de 0,01 à 0,43 inclus. 耐電食性に優れた表面処理被膜を形成できる表面処理剤を提供する。シリコーン樹脂（Ａ）と、チタン化合物（Ｂ）と、バリウム化合物（Ｃ）と、芳香族炭化水素系溶剤（Ｄ）と、アミノ基を有するアルコキシシラン（Ｅ）と、を含有し、 （Ｉ）前記シリコーン樹脂（Ａ）の質量（ＡＭ）と、前記化合物（Ｂ）の質量（ＢＭ）との比（ＢＭ／ＡＭ）が０．０５以上３．１２以下の範囲内であり、 （ＩＩ）前記シリコーン樹脂（Ａ）の質量（ＡＭ）と、前記化合物（Ｃ）の質量（ＣＭ）との比（ＣＭ／ＡＭ）が０．０２以上０．５５以下の範囲内であり、 （ＩＩＩ）前記シリコーン樹脂（Ａ）の質量（ＡＭ）と、前記化合物（Ｅ）の質量（ＥＭ）との比（ＥＭ／ＡＭ）が０．０１以上０．４３以下の範囲内である、炭素鋼材料用表面処理剤により、課題を解決する。